CSEC Industrial Technology · 2018 · Paper 2

28 questions and parts from this paper. Open one to see it in full, then practise it on Quelpr and get it marked against the mark scheme.

1. 1(a)6 marksUse suitably labelled freehand sketches to differentiate among ANY THREE of the following timber defects: (i) Bowing (ii) Live knot (iii) Split (iv) Cup shake (v) Twists
2. 1(b)(i)6 marksOutline THREE sequential steps to be followed to spray the wooden chair with varnish.
3. 1(b)(ii)4 marksSuggest FOUR benefits to be derived from using stain as a finishing material on the wooden chair in Figure 1 on page 6, prior to applying varnish.
4. 1(b)(iii)2 marksIf the wooden chair in Figure 1 is to receive an oil-based paint finish, describe how the following can be used as surface preparation materials: - Wood filler - Shellac/knotting compound
5. 2(a)6 marksOn page 9 produce, using a neat single line diagram, a roof framing plan of the hipped end of the roof in Figure 2 to show any FOUR of the following roof members: (i) Hip rafter (ii) Ridge board (iii) Crown/principal…
6. 2(b)(i)2 marksState the purpose of the ridge board in the design of the roof in Figure 2 on page 8.
7. 2(b)(ii)4 marksName FOUR types of roof coverings that are suitable for the roof in Figure 2.
8. 2(b)(iii)3 marksUse a suitably labelled sketch to show how a common rafter should be fixed to the wall plate.
9. 2(c)3 marksIf the total rise of the roof in Figure 2 is 1.5 m, calculate the actual length of the common rafter. (Note: You are required to list the formula and show your working. The overhang should not be included.)
10. 3(a)(i)2 marksDefine the term 'concrete'.
11. 3(a)(ii)2 marksList TWO manual tools that are used to prepare a batch of concrete.
12. 3(a)(iii)2 marksName TWO types of tests that are carried out on a concrete mix.
13. 3(b)(i)2 marksDescribe specific conditions that require the use of a Raft foundation.
14. 3(b)(ii)2 marksDescribe specific conditions that require the use of a Pad foundation.
15. 3(b)(iii)2 marksDescribe specific conditions that require the use of a Short-bored pile foundation.
16. 3(c)(i)2 marksBriefly outline TWO practical benefits of using a stepped strip foundation as an alternative to the strip foundation shown on the plot of land in Figure 3.
17. 3(c)(ii)4 marksUse a suitably labelled sectional sketch to show how a stepped strip foundation would be designed to produce the benefits outlined in (c)(i).
18. 4(a)(i)2 marksSuggest TWO uses for a Dovetail joint in furniture construction.
19. 4(a)(ii)2 marksSuggest TWO uses for a Housing joint in furniture construction.
20. 4(a)(iii)2 marksSuggest TWO uses for a Rebated joint in furniture construction.
21. 4(b)(i)3 marksUse a neat labelled sketch to show a suitable method to join pieces of timber to achieve the width of the tabletop.
22. 4(b)(ii)3 marksSuggest THREE ways to secure the tabletop to the frame.
23. 4(b)(iii)6 marksOutline THREE sequential steps to be followed to chop/dig out the mortise to fit the tenon joint in the table leg shown in Figure 4 on page 14.
24. 5(a)(i)3 marksState THREE factors to be considered when choosing a building site.
25. 5(a)(ii)3 marksName THREE operations that should be carried out when clearing a building site.
26. 5(b)(i)4 marksUse labelled single line boxes to show the location of EACH of the following facilities on the site layout plan in Figure 5: - Storage area for cement, aggregates - General material storage - Security post/site office -…
27. 5(b)(ii)2 marksOutline, briefly TWO benefits of hoarding on a building site.
28. 5(c)6 marksUse a neat freehand sketch to reproduce the site layout plan given in Figure 5 on page 17. Include any FOUR of the following site plan symbols: - Direction of North - Property lines - Location of the building/front…